| Lake Mary to Orbetello | 5,029.18 mi (8,093.68 km) |
| Lake Mary to Oria | 5,386.73 mi (8,669.11 km) |
| Lake Mary to Oristano | 4,972.68 mi (8,002.75 km) |
| Lake Mary to Orta Nova | 5,271.26 mi (8,483.27 km) |
| Lake Mary to Orte | 5,083.31 mi (8,180.80 km) |
| Lake Mary to Ortona | 5,179.76 mi (8,336.02 km) |
| Lake Mary to Orvieto | 5,063.23 mi (8,148.47 km) |
| Lake Mary to Orzinuovi | 4,891.49 mi (7,872.10 km) |
| Lake Mary to Osimo | 5,104.63 mi (8,215.10 km) |
| Lake Mary to Ospitaletto | 4,893.79 mi (7,875.79 km) |
| Lake Mary to Ostuni | 5,376.93 mi (8,653.32 km) |
| Lake Mary to Ottaviano | 5,228.19 mi (8,413.97 km) |
| Lake Mary to Ovada | 4,852.39 mi (7,809.17 km) |
| Lake Mary to Ozieri | 4,974.51 mi (8,005.69 km) |
| Lake Mary to Paceco | 5,221.06 mi (8,402.49 km) |
